{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28RTV%29&page=3", "query": { "intervention": "Ritonavir (RTV)", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 451, "total_pages": 46, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28RTV%29&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ritonavir+%28RTV%29&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-13T17:11:24.911Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT00084253", "title": "Study of Boosted Atazanavir (ATV) Versus Non-boosted ATV in Naive Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Atazanavir/ Stavidine / Lamivudine", "type": "DRUG" }, { "name": "Atazanavir-Ritonavir/ Stavidine / Lamivudine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bristol-Myers Squibb", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 200, "start_date": "2004-06", "completion_date": null, "has_results": false, "last_update_posted_date": "2010-03-05", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 1, "location_summary": "Call For Information, New Jersey", "locations": [ { "city": "Call For Information", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT00084253" }, { "nct_id": "NCT00118898", "title": "Efavirenz or Atazanavir/Ritonavir Given With Emtricitabine/Tenofovir Disoproxil Fumarate or Abacavir/Lamivudine in HIV Infected Treatment-Naive Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Abacavir/Lamivudine", "type": "DRUG" }, { "name": "Atazanavir", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" }, { "name": "Emtricitabine/Tenofovir disoproxil fumarate", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Abacavir/Lamivudine placebo", "type": "DRUG" }, { "name": "Emtricitabine/Tenofovir disoproxil fumarate placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": null, "sex": "ALL", "summary": "16 Years and older" }, "enrollment_count": 1864, "start_date": "2005-09", "completion_date": "2009-11", "has_results": true, "last_update_posted_date": "2018-10-12", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 51, "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 30 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00118898" }, { "nct_id": "NCT00275444", "title": "3 TPV/RTV Doses in Multiple ARV Experienced Patients - Tipranavir Dose Defining Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Tipranavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Boehringer Ingelheim", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 216, "start_date": "2002-03-29", "completion_date": null, "has_results": false, "last_update_posted_date": "2023-12-01", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 38, "location_summary": "Phoenix, Arizona • Fountain Valley, California • Long Beach, California + 33 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00275444" }, { "nct_id": "NCT00711009", "title": "Study Comparing Lopinavir/Ritonavir (LPV/r) + Emtricitabine/Tenofovir Disoproxil Fumarate (FTC/TDF) With a Nucleoside Sparing Regimen Consisting of Lopinavir/Ritonavir + Raltegravir (RAL)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Human Immunodeficiency Virus Infection" ], "interventions": [ { "name": "lopinavir/ritonavir (LPV/r)", "type": "DRUG" }, { "name": "emtricitabine/tenofovir disoproxil fumarate (FTC/TDF)", "type": "DRUG" }, { "name": "raltegravir (RAL)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abbott", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 206, "start_date": "2008-07", "completion_date": "2010-10", "has_results": true, "last_update_posted_date": "2012-02-14", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 14, "location_summary": "Phoenix, Arizona • Beverly Hills, California • Atlantis, Florida + 11 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Atlantis", "state": "Florida" }, { "city": "Ft. Pierce", "state": "Florida" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00711009" }, { "nct_id": "NCT00016601", "title": "Depo-Medroxyprogesterone Acetate (DMPA, Depo-Provera) Use With Certain Anti-HIV Drugs in HIV-Infected Women", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Indinavir sulfate", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Nelfinavir mesylate", "type": "DRUG" }, { "name": "Efavirenz", "type": "DRUG" }, { "name": "Nevirapine", "type": "DRUG" }, { "name": "Medroxyprogesterone acetate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "FEMALE", "summary": "13 Years and older · Female only" }, "enrollment_count": 76, "start_date": "2001-06", "completion_date": "2004-05", "has_results": false, "last_update_posted_date": "2012-11-02", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 31, "location_summary": "Birmingham, Alabama • Los Angeles, California • Denver, Colorado + 17 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00016601" }, { "nct_id": "NCT01220947", "title": "A Study of Danoprevir Boosted With Low Dose Ritonavir in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Virus Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis C, Chronic" ], "interventions": [ { "name": "Copegus", "type": "DRUG" }, { "name": "Danoprevir", "type": "DRUG" }, { "name": "Pegasys", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 421, "start_date": "2010-11", "completion_date": "2012-12", "has_results": false, "last_update_posted_date": "2016-11-02", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 25, "location_summary": "La Jolla, California • Sacramento, California • San Diego, California + 20 more", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT01220947" }, { "nct_id": "NCT01234116", "title": "Post-Exposure Prophylaxis in Health Care Workers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Human Immunodeficiency Virus" ], "interventions": [ { "name": "emtricitabine/tenofovir disoproxil fumarate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Henry Ford Health System", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 16, "start_date": "2011-02", "completion_date": "2013-05", "has_results": true, "last_update_posted_date": "2025-08-15", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 1, "location_summary": "Detroit, Michigan", "locations": [ { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT01234116" }, { "nct_id": "NCT01209065", "title": "GSK1349572 Drug Interaction Study With Fosamprenavir/Ritonavir", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Infections, Human Immunodeficiency Virus and Herpesviridae" ], "interventions": [ { "name": "GSK1349572", "type": "DRUG" }, { "name": "Fosamprenavir", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "ViiV Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 27, "start_date": "2010-09", "completion_date": "2010-11", "has_results": false, "last_update_posted_date": "2017-01-19", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 1, "location_summary": "Buffalo, New York", "locations": [ { "city": "Buffalo", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01209065" }, { "nct_id": "NCT05064800", "title": "PF-07321332/Ritonavir and Ritonavir on Dabigatran Study in Healthy Participants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy Participants" ], "interventions": [ { "name": "Dabigatran", "type": "DRUG" }, { "name": "PF-07321332/ritonavir + Dabigatran", "type": "DRUG" }, { "name": "Ritonavir + Dabigatran", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 24, "start_date": "2021-09-21", "completion_date": "2021-12-06", "has_results": true, "last_update_posted_date": "2024-03-29", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 1, "location_summary": "Hollywood, Florida", "locations": [ { "city": "Hollywood", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05064800" }, { "nct_id": "NCT01199939", "title": "A Study of the Once Daily Combination of Etravirine and Darunavir/Ritonavir As Dual Therapy in Early Treatment-Experienced Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Human Immunodeficiency Virus (HIV)" ], "interventions": [ { "name": "Etravirine", "type": "DRUG" }, { "name": "Ritonavir", "type": "DRUG" }, { "name": "Darunavir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Tibotec, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 54, "start_date": "2010-05", "completion_date": "2012-10", "has_results": true, "last_update_posted_date": "2013-12-04", "last_synced_at": "2026-10-13T17:11:24.911Z", "location_count": 22, "location_summary": "Long Beach, California • Los Angeles, California • San Francisco, California + 19 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01199939" } ] }